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-rw-r--r--src/DecoderThread.cxx461
1 files changed, 0 insertions, 461 deletions
diff --git a/src/DecoderThread.cxx b/src/DecoderThread.cxx
deleted file mode 100644
index 7ee36faca..000000000
--- a/src/DecoderThread.cxx
+++ /dev/null
@@ -1,461 +0,0 @@
-/*
- * Copyright (C) 2003-2013 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "config.h"
-#include "DecoderThread.hxx"
-#include "DecoderControl.hxx"
-#include "DecoderInternal.hxx"
-#include "DecoderError.hxx"
-#include "DecoderPlugin.hxx"
-#include "Song.hxx"
-#include "system/FatalError.hxx"
-#include "Mapper.hxx"
-#include "MusicPipe.hxx"
-#include "fs/Traits.hxx"
-#include "fs/AllocatedPath.hxx"
-#include "DecoderAPI.hxx"
-#include "tag/Tag.hxx"
-#include "InputStream.hxx"
-#include "DecoderList.hxx"
-#include "util/UriUtil.hxx"
-#include "util/Error.hxx"
-#include "util/Domain.hxx"
-#include "tag/ApeReplayGain.hxx"
-#include "Log.hxx"
-
-#include <functional>
-
-static constexpr Domain decoder_thread_domain("decoder_thread");
-
-/**
- * Marks the current decoder command as "finished" and notifies the
- * player thread.
- *
- * @param dc the #DecoderControl object; must be locked
- */
-static void
-decoder_command_finished_locked(DecoderControl &dc)
-{
- assert(dc.command != DecoderCommand::NONE);
-
- dc.command = DecoderCommand::NONE;
-
- dc.client_cond.signal();
-}
-
-/**
- * Opens the input stream with input_stream::Open(), and waits until
- * the stream gets ready. If a decoder STOP command is received
- * during that, it cancels the operation (but does not close the
- * stream).
- *
- * Unlock the decoder before calling this function.
- *
- * @return an input_stream on success or if #DecoderCommand::STOP is
- * received, nullptr on error
- */
-static InputStream *
-decoder_input_stream_open(DecoderControl &dc, const char *uri)
-{
- Error error;
-
- InputStream *is = InputStream::Open(uri, dc.mutex, dc.cond, error);
- if (is == nullptr) {
- if (error.IsDefined())
- LogError(error);
-
- return nullptr;
- }
-
- /* wait for the input stream to become ready; its metadata
- will be available then */
-
- dc.Lock();
-
- is->Update();
- while (!is->ready &&
- dc.command != DecoderCommand::STOP) {
- dc.Wait();
-
- is->Update();
- }
-
- if (!is->Check(error)) {
- dc.Unlock();
-
- LogError(error);
- return nullptr;
- }
-
- dc.Unlock();
-
- return is;
-}
-
-static bool
-decoder_stream_decode(const DecoderPlugin &plugin,
- Decoder &decoder,
- InputStream &input_stream)
-{
- assert(plugin.stream_decode != nullptr);
- assert(decoder.stream_tag == nullptr);
- assert(decoder.decoder_tag == nullptr);
- assert(input_stream.ready);
- assert(decoder.dc.state == DecoderState::START);
-
- FormatDebug(decoder_thread_domain, "probing plugin %s", plugin.name);
-
- if (decoder.dc.command == DecoderCommand::STOP)
- return true;
-
- /* rewind the stream, so each plugin gets a fresh start */
- input_stream.Rewind(IgnoreError());
-
- decoder.dc.Unlock();
-
- plugin.StreamDecode(decoder, input_stream);
-
- decoder.dc.Lock();
-
- assert(decoder.dc.state == DecoderState::START ||
- decoder.dc.state == DecoderState::DECODE);
-
- return decoder.dc.state != DecoderState::START;
-}
-
-static bool
-decoder_file_decode(const DecoderPlugin &plugin,
- Decoder &decoder, const char *path)
-{
- assert(plugin.file_decode != nullptr);
- assert(decoder.stream_tag == nullptr);
- assert(decoder.decoder_tag == nullptr);
- assert(path != nullptr);
- assert(PathTraits::IsAbsoluteFS(path));
- assert(decoder.dc.state == DecoderState::START);
-
- FormatDebug(decoder_thread_domain, "probing plugin %s", plugin.name);
-
- if (decoder.dc.command == DecoderCommand::STOP)
- return true;
-
- decoder.dc.Unlock();
-
- plugin.FileDecode(decoder, path);
-
- decoder.dc.Lock();
-
- assert(decoder.dc.state == DecoderState::START ||
- decoder.dc.state == DecoderState::DECODE);
-
- return decoder.dc.state != DecoderState::START;
-}
-
-gcc_pure
-static bool
-decoder_check_plugin_mime(const DecoderPlugin &plugin, const InputStream &is)
-{
- assert(plugin.stream_decode != nullptr);
-
- return !is.mime.empty() && plugin.SupportsMimeType(is.mime.c_str());
-}
-
-gcc_pure
-static bool
-decoder_check_plugin_suffix(const DecoderPlugin &plugin, const char *suffix)
-{
- assert(plugin.stream_decode != nullptr);
-
- return suffix != nullptr && plugin.SupportsSuffix(suffix);
-}
-
-gcc_pure
-static bool
-decoder_check_plugin(const DecoderPlugin &plugin, const InputStream &is,
- const char *suffix)
-{
- return plugin.stream_decode != nullptr &&
- (decoder_check_plugin_mime(plugin, is) ||
- decoder_check_plugin_suffix(plugin, suffix));
-}
-
-static bool
-decoder_run_stream_plugin(Decoder &decoder, InputStream &is,
- const char *suffix,
- const DecoderPlugin &plugin,
- bool &tried_r)
-{
- if (!decoder_check_plugin(plugin, is, suffix))
- return false;
-
- tried_r = true;
- return decoder_stream_decode(plugin, decoder, is);
-}
-
-static bool
-decoder_run_stream_locked(Decoder &decoder, InputStream &is,
- const char *uri, bool &tried_r)
-{
- UriSuffixBuffer suffix_buffer;
- const char *const suffix = uri_get_suffix(uri, suffix_buffer);
-
- using namespace std::placeholders;
- const auto f = std::bind(decoder_run_stream_plugin,
- std::ref(decoder), std::ref(is), suffix,
- _1, std::ref(tried_r));
- return decoder_plugins_try(f);
-}
-
-/**
- * Try decoding a stream, using the fallback plugin.
- */
-static bool
-decoder_run_stream_fallback(Decoder &decoder, InputStream &is)
-{
- const struct DecoderPlugin *plugin;
-
- plugin = decoder_plugin_from_name("mad");
- return plugin != nullptr && plugin->stream_decode != nullptr &&
- decoder_stream_decode(*plugin, decoder, is);
-}
-
-/**
- * Try decoding a stream.
- */
-static bool
-decoder_run_stream(Decoder &decoder, const char *uri)
-{
- DecoderControl &dc = decoder.dc;
- InputStream *input_stream;
- bool success;
-
- dc.Unlock();
-
- input_stream = decoder_input_stream_open(dc, uri);
- if (input_stream == nullptr) {
- dc.Lock();
- return false;
- }
-
- dc.Lock();
-
- bool tried = false;
- success = dc.command == DecoderCommand::STOP ||
- decoder_run_stream_locked(decoder, *input_stream, uri,
- tried) ||
- /* fallback to mp3: this is needed for bastard streams
- that don't have a suffix or set the mimeType */
- (!tried &&
- decoder_run_stream_fallback(decoder, *input_stream));
-
- dc.Unlock();
- input_stream->Close();
- dc.Lock();
-
- return success;
-}
-
-/**
- * Attempt to load replay gain data, and pass it to
- * decoder_replay_gain().
- */
-static void
-decoder_load_replay_gain(Decoder &decoder, const char *path_fs)
-{
- ReplayGainInfo info;
- if (replay_gain_ape_read(Path::FromFS(path_fs), info))
- decoder_replay_gain(decoder, &info);
-}
-
-/**
- * Try decoding a file.
- */
-static bool
-decoder_run_file(Decoder &decoder, const char *path_fs)
-{
- DecoderControl &dc = decoder.dc;
- const char *suffix = uri_get_suffix(path_fs);
- const struct DecoderPlugin *plugin = nullptr;
-
- if (suffix == nullptr)
- return false;
-
- dc.Unlock();
-
- decoder_load_replay_gain(decoder, path_fs);
-
- while ((plugin = decoder_plugin_from_suffix(suffix, plugin)) != nullptr) {
- if (plugin->file_decode != nullptr) {
- dc.Lock();
-
- if (decoder_file_decode(*plugin, decoder, path_fs))
- return true;
-
- dc.Unlock();
- } else if (plugin->stream_decode != nullptr) {
- InputStream *input_stream;
- bool success;
-
- input_stream = decoder_input_stream_open(dc, path_fs);
- if (input_stream == nullptr)
- continue;
-
- dc.Lock();
-
- success = decoder_stream_decode(*plugin, decoder,
- *input_stream);
-
- dc.Unlock();
-
- input_stream->Close();
-
- if (success) {
- dc.Lock();
- return true;
- }
- }
- }
-
- dc.Lock();
- return false;
-}
-
-static void
-decoder_run_song(DecoderControl &dc,
- const Song *song, const char *uri)
-{
- Decoder decoder(dc, dc.start_ms > 0,
- song->tag != nullptr && song->IsFile()
- ? new Tag(*song->tag) : nullptr);
- int ret;
-
- dc.state = DecoderState::START;
-
- decoder_command_finished_locked(dc);
-
- ret = song->IsFile()
- ? decoder_run_file(decoder, uri)
- : decoder_run_stream(decoder, uri);
-
- dc.Unlock();
-
- /* flush the last chunk */
-
- if (decoder.chunk != nullptr)
- decoder_flush_chunk(decoder);
-
- dc.Lock();
-
- if (ret)
- dc.state = DecoderState::STOP;
- else {
- dc.state = DecoderState::ERROR;
-
- const char *error_uri = song->uri;
- const std::string allocated = uri_remove_auth(error_uri);
- if (!allocated.empty())
- error_uri = allocated.c_str();
-
- dc.error.Format(decoder_domain,
- "Failed to decode %s", error_uri);
- }
-
- dc.client_cond.signal();
-}
-
-static void
-decoder_run(DecoderControl &dc)
-{
- dc.ClearError();
-
- const Song *song = dc.song;
- assert(song != nullptr);
-
- const std::string uri = song->IsFile()
- ? std::string(map_song_fs(*song).c_str())
- : song->GetURI();
-
- if (uri.empty()) {
- dc.state = DecoderState::ERROR;
- dc.error.Set(decoder_domain, "Failed to map song");
-
- decoder_command_finished_locked(dc);
- return;
- }
-
- decoder_run_song(dc, song, uri.c_str());
-
-}
-
-static void
-decoder_task(void *arg)
-{
- DecoderControl &dc = *(DecoderControl *)arg;
-
- dc.Lock();
-
- do {
- assert(dc.state == DecoderState::STOP ||
- dc.state == DecoderState::ERROR);
-
- switch (dc.command) {
- case DecoderCommand::START:
- dc.CycleMixRamp();
- dc.replay_gain_prev_db = dc.replay_gain_db;
- dc.replay_gain_db = 0;
-
- decoder_run(dc);
- break;
-
- case DecoderCommand::SEEK:
- /* this seek was too late, and the decoder had
- already finished; start a new decoder */
-
- /* we need to clear the pipe here; usually the
- PlayerThread is responsible, but it is not
- aware that the decoder has finished */
- dc.pipe->Clear(*dc.buffer);
-
- decoder_run(dc);
- break;
-
- case DecoderCommand::STOP:
- decoder_command_finished_locked(dc);
- break;
-
- case DecoderCommand::NONE:
- dc.Wait();
- break;
- }
- } while (dc.command != DecoderCommand::NONE || !dc.quit);
-
- dc.Unlock();
-}
-
-void
-decoder_thread_start(DecoderControl &dc)
-{
- assert(!dc.thread.IsDefined());
-
- dc.quit = false;
-
- Error error;
- if (!dc.thread.Start(decoder_task, &dc, error))
- FatalError(error);
-}